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<a name="1" href="#1">1</a>   <em class="jxr_javadoccomment">/**</em>
<a name="2" href="#2">2</a>   <em class="jxr_javadoccomment"> * Copyright (C) 2011 Luca Li Greci</em>
<a name="3" href="#3">3</a>   <em class="jxr_javadoccomment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_javadoccomment"> * This file is part of pojo-creator</em>
<a name="5" href="#5">5</a>   <em class="jxr_javadoccomment"> *</em>
<a name="6" href="#6">6</a>   <em class="jxr_javadoccomment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="7" href="#7">7</a>   <em class="jxr_javadoccomment"> * you may not use this file except in compliance with the License.</em>
<a name="8" href="#8">8</a>   <em class="jxr_javadoccomment"> * You may obtain a copy of the License at</em>
<a name="9" href="#9">9</a>   <em class="jxr_javadoccomment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_javadoccomment"> *         <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="11" href="#11">11</a>  <em class="jxr_javadoccomment"> *</em>
<a name="12" href="#12">12</a>  <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="13" href="#13">13</a>  <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="14" href="#14">14</a>  <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
<a name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> * limitations under the License.</em>
<a name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> */</em>
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong> com.pojocreator;
<a name="19" href="#19">19</a>  
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Array;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.lang.reflect.Field;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.Collection;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.util.Iterator;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.util.NoSuchElementException;
<a name="26" href="#26">26</a>  
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.apache.commons.lang.StringUtils;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> com.pojocreator.provider.DataProvider;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> com.pojocreator.provider.Provider;
<a name="31" href="#31">31</a>  
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em>
<a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * This class exposes the methods to create a POJO object with or without setting the fields.</em>
<a name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * &lt;br&gt;</em>
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * &lt;br&gt;</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * For a brand new &lt;b&gt;empty&lt;/b&gt; POJO, you can use the simplest signature:</em>
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * {@code</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> *  one(Pojo.class)</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * }</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt; </em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * For a brand new POJO &lt;b&gt;with&lt;/b&gt; properties, you can use one of the possible signature:</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * {@code</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * one(Pojo.class, with(property-name, property-value))</em>
<a name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * one(Pojo.class, with(property-name, property-value), with(property-name, property-value), etc..)</em>
<a name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * </em>
<a name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> * one(Pojo.class, with(property-name, data-provider))</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> * one(Pojo.class, with(property-name, data-provider), with(property-name, data-provider), etc..)</em>
<a name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * }</em>
<a name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt; </em>
<a name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * </em>
<a name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * To instantiate more POJO &lt;b&gt;with&lt;/b&gt; properties, you can use the following signature:</em>
<a name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * {@code</em>
<a name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * many(Pojo.class, numberOfPojo, with(property-name, data-provider))</em>
<a name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> * many(Pojo.class, numberOfPojo, with(property-name, data-provider), with(property-name, data-provider), etc..)</em>
<a name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> * }</em>
<a name="61" href="#61">61</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a name="62" href="#62">62</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="63" href="#63">63</a>  <em class="jxr_javadoccomment"> * </em>
<a name="64" href="#64">64</a>  <em class="jxr_javadoccomment"> * &lt;b&gt;N.B&lt;/b&gt; To simplify the methods invocation use:</em>
<a name="65" href="#65">65</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a name="66" href="#66">66</a>  <em class="jxr_javadoccomment"> * {@code</em>
<a name="67" href="#67">67</a>  <em class="jxr_javadoccomment"> * import static com.pojocreator.Creator.many;</em>
<a name="68" href="#68">68</a>  <em class="jxr_javadoccomment"> * import static com.pojocreator.Creator.one;</em>
<a name="69" href="#69">69</a>  <em class="jxr_javadoccomment"> * import static com.pojocreator.Creator.with;</em>
<a name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * }</em>
<a name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt; </em>
<a name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> *  </em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> * @author Luca Li Greci</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> */</em>
<a name="76" href="#76">76</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../com/pojocreator/Creator.html">Creator</a> &lt; T &gt; {
<a name="77" href="#77">77</a>      <strong class="jxr_keyword">private</strong> T bean;
<a name="78" href="#78">78</a>  
<a name="79" href="#79">79</a>      <strong class="jxr_keyword">private</strong> <a href="../../com/pojocreator/Creator.html">Creator</a>(Class &lt; T &gt; clazz) {
<a name="80" href="#80">80</a>          bean = instanceOf(clazz);
<a name="81" href="#81">81</a>      }
<a name="82" href="#82">82</a>  
<a name="83" href="#83">83</a>      <em class="jxr_javadoccomment">/**</em>
<a name="84" href="#84">84</a>  <em class="jxr_javadoccomment">     * Create an instance of the required object based on the class type.</em>
<a name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     * </em>
<a name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * @param clazz Class type</em>
<a name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     * @return a new instance without setting the object properties</em>
<a name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     */</em>
<a name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; T &gt; T one(Class &lt; T &gt; clazz) {
<a name="90" href="#90">90</a>          <strong class="jxr_keyword">return</strong> one(clazz, (Property&lt;String&gt;) <strong class="jxr_keyword">null</strong>); 
<a name="91" href="#91">91</a>      }
<a name="92" href="#92">92</a>  
<a name="93" href="#93">93</a>      <em class="jxr_javadoccomment">/**</em>
<a name="94" href="#94">94</a>  <em class="jxr_javadoccomment">     * Create an instance of the required object based on the class type and set the object's field with a defined value</em>
<a name="95" href="#95">95</a>  <em class="jxr_javadoccomment">     * </em>
<a name="96" href="#96">96</a>  <em class="jxr_javadoccomment">     * @param clazz Class type</em>
<a name="97" href="#97">97</a>  <em class="jxr_javadoccomment">     * @param attribute Attribute need to be set in the object</em>
<a name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * @return a new instance of the object with the property already been set.</em>
<a name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * @throws CreatorException in case of error during the POJO creation</em>
<a name="100" href="#100">100</a> <em class="jxr_javadoccomment">     */</em>
<a name="101" href="#101">101</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; T &gt; T one(Class &lt; T &gt; clazz, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt; attribute) {
<a name="102" href="#102">102</a>         <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;[] attributes = <strong class="jxr_keyword">null</strong>;
<a name="103" href="#103">103</a>         <strong class="jxr_keyword">if</strong> (attribute != <strong class="jxr_keyword">null</strong>) {
<a name="104" href="#104">104</a>             attributes = (Property &lt; ? &gt;[]) Array.newInstance(Property.<strong class="jxr_keyword">class</strong>, 1);
<a name="105" href="#105">105</a>             attributes[0] = attribute;
<a name="106" href="#106">106</a>         }
<a name="107" href="#107">107</a>         <strong class="jxr_keyword">return</strong> one(clazz, attributes);
<a name="108" href="#108">108</a>     }
<a name="109" href="#109">109</a> 
<a name="110" href="#110">110</a>     <em class="jxr_javadoccomment">/**</em>
<a name="111" href="#111">111</a> <em class="jxr_javadoccomment">     * Create an instance of the required object based on the class type and set all fields with a defined value</em>
<a name="112" href="#112">112</a> <em class="jxr_javadoccomment">     * </em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * @param clazz Class type</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment">     * @param attributes Attributes need to be set in the object</em>
<a name="115" href="#115">115</a> <em class="jxr_javadoccomment">     * @return a new instance of the object with the property already been set.</em>
<a name="116" href="#116">116</a> <em class="jxr_javadoccomment">     * @throws CreatorException in case of error during the POJO creation</em>
<a name="117" href="#117">117</a> <em class="jxr_javadoccomment">     */</em>
<a name="118" href="#118">118</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; T &gt; T one(Class &lt; T &gt; clazz, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;... attributes) {
<a name="119" href="#119">119</a>         <a href="../../com/pojocreator/Creator.html">Creator</a> &lt; T &gt; object = <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/Creator.html">Creator</a> &lt; T &gt;(clazz);
<a name="120" href="#120">120</a>         setFields(object.bean, attributes);
<a name="121" href="#121">121</a>         <strong class="jxr_keyword">return</strong> object.bean;
<a name="122" href="#122">122</a>     }
<a name="123" href="#123">123</a> 
<a name="124" href="#124">124</a>     <em class="jxr_javadoccomment">/**</em>
<a name="125" href="#125">125</a> <em class="jxr_javadoccomment">     * Create an instance of IterableCreator to instantiate many number of pojo and iterate through them</em>
<a name="126" href="#126">126</a> <em class="jxr_javadoccomment">     * using a foreach loop.</em>
<a name="127" href="#127">127</a> <em class="jxr_javadoccomment">     * </em>
<a name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * @param clazz Class type to instantiate.</em>
<a name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * @param numberOfPojo Maximum number of instances  </em>
<a name="130" href="#130">130</a> <em class="jxr_javadoccomment">     * @param attributes Pojo's attribute</em>
<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">     * @return an {@link Iterable} to use in a foreach loop</em>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">     */</em>
<a name="133" href="#133">133</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; T &gt; Iterable &lt; T &gt; many(Class &lt; T &gt; clazz, <strong class="jxr_keyword">int</strong> numberOfPojo, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;... attributes) {
<a name="134" href="#134">134</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/Creator.html">IterableCreator</a> &lt; T &gt;(clazz, numberOfPojo, attributes);
<a name="135" href="#135">135</a>     }
<a name="136" href="#136">136</a> 
<a name="137" href="#137">137</a>     <em class="jxr_javadoccomment">/**</em>
<a name="138" href="#138">138</a> <em class="jxr_javadoccomment">     * Create a {@link Collection} of T elements using the attributes given. The number of elements</em>
<a name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * in the collection depends on the attributes, the first step of this method is to </em>
<a name="140" href="#140">140</a> <em class="jxr_javadoccomment">     * to calculate all possible permutations. </em>
<a name="141" href="#141">141</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="142" href="#142">142</a> <em class="jxr_javadoccomment">     * For instance, a POJO which has 2 attributes: </em>
<a name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * &lt;ul&gt;</em>
<a name="144" href="#144">144</a> <em class="jxr_javadoccomment">     *  &lt;li&gt; attribute1 has M alternatives &lt;/li&gt;</em>
<a name="145" href="#145">145</a> <em class="jxr_javadoccomment">     *  &lt;li&gt; attribute2 has N alternatives &lt;/li&gt;</em>
<a name="146" href="#146">146</a> <em class="jxr_javadoccomment">     * &lt;/ul&gt; </em>
<a name="147" href="#147">147</a> <em class="jxr_javadoccomment">     * The total number of POJOs in the collection will be M x N, follow an example of Car that </em>
<a name="148" href="#148">148</a> <em class="jxr_javadoccomment">     * has attribute owner and brand. &lt;p&gt;Both attributes are set randomly from a data set:</em>
<a name="149" href="#149">149</a> <em class="jxr_javadoccomment">     * &lt;ul&gt;</em>
<a name="150" href="#150">150</a> <em class="jxr_javadoccomment">     *  &lt;li&gt;brand can have values: Ferrari, BMW, Porche&lt;/li&gt;</em>
<a name="151" href="#151">151</a> <em class="jxr_javadoccomment">     *  &lt;li&gt;owner can have values: Luca, Paul, Dan &lt;/li&gt;</em>
<a name="152" href="#152">152</a> <em class="jxr_javadoccomment">     * &lt;/ul&gt;</em>
<a name="153" href="#153">153</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="154" href="#154">154</a> <em class="jxr_javadoccomment">     * The collection will have 9 elements.</em>
<a name="155" href="#155">155</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a name="156" href="#156">156</a> <em class="jxr_javadoccomment">     *  {@code</em>
<a name="157" href="#157">157</a> <em class="jxr_javadoccomment">     *   Collection &lt; Car &gt;  cars = many(Car.class, with("brand", from("Ferrari", "BMW", "Porche")), </em>
<a name="158" href="#158">158</a> <em class="jxr_javadoccomment">     *                                             with("owner", from("Luca", "Paul", "Dan")));</em>
<a name="159" href="#159">159</a> <em class="jxr_javadoccomment">     *  }</em>
<a name="160" href="#160">160</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * @param clazz Class type to instantiate.</em>
<a name="162" href="#162">162</a> <em class="jxr_javadoccomment">     * @param attributes Pojo's attribute</em>
<a name="163" href="#163">163</a> <em class="jxr_javadoccomment">     * @return a {@link Collection} of element T with the property set</em>
<a name="164" href="#164">164</a> <em class="jxr_javadoccomment">     */</em>
<a name="165" href="#165">165</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; T &gt; Collection &lt; T &gt; many(Class &lt; T &gt; clazz, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt; ... attributes) {
<a name="166" href="#166">166</a>         <strong class="jxr_keyword">int</strong> numberOfPojos = calculateNumberOfPermutation(attributes);
<a name="167" href="#167">167</a>         Collection &lt; T &gt; out = <strong class="jxr_keyword">new</strong> ArrayList &lt; T &gt;(numberOfPojos);
<a name="168" href="#168">168</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; numberOfPojos; ++i) {
<a name="169" href="#169">169</a>             out.add(one(clazz, attributes));
<a name="170" href="#170">170</a>         }
<a name="171" href="#171">171</a>         <strong class="jxr_keyword">return</strong> out;
<a name="172" href="#172">172</a>     }
<a name="173" href="#173">173</a> 
<a name="174" href="#174">174</a>     <em class="jxr_javadoccomment">/**</em>
<a name="175" href="#175">175</a> <em class="jxr_javadoccomment">     * Create a new {@link Property} object for a specific object field's name with a value.</em>
<a name="176" href="#176">176</a> <em class="jxr_javadoccomment">     * </em>
<a name="177" href="#177">177</a> <em class="jxr_javadoccomment">     * @param property Name of the object's field we want to set</em>
<a name="178" href="#178">178</a> <em class="jxr_javadoccomment">     * @param value Value we want to set</em>
<a name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * @return an new Property</em>
<a name="180" href="#180">180</a> <em class="jxr_javadoccomment">     */</em>
<a name="181" href="#181">181</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; S &gt; <a href="../../com/pojocreator/Property.html">Property</a> &lt; S &gt; with(String property, S value) {
<a name="182" href="#182">182</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/Property.html">Property</a> &lt; S &gt;(property, value);
<a name="183" href="#183">183</a>     }
<a name="184" href="#184">184</a>     
<a name="185" href="#185">185</a>     <em class="jxr_javadoccomment">/**</em>
<a name="186" href="#186">186</a> <em class="jxr_javadoccomment">     * Create a new {@link DataProvider} to extract a random element S</em>
<a name="187" href="#187">187</a> <em class="jxr_javadoccomment">     * among the values passed in as argument. </em>
<a name="188" href="#188">188</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="189" href="#189">189</a> <em class="jxr_javadoccomment">     * The {@link DataProvider} can be used in method like {@link Creator#with(String, Object) with}.</em>
<a name="190" href="#190">190</a> <em class="jxr_javadoccomment">     * For instance, to create a new Car with the brand set from &lt;b&gt;one&lt;/b&gt; of the elements in the array</em>
<a name="191" href="#191">191</a> <em class="jxr_javadoccomment">     * you can use:</em>
<a name="192" href="#192">192</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="193" href="#193">193</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a name="194" href="#194">194</a> <em class="jxr_javadoccomment">     *  {@code</em>
<a name="195" href="#195">195</a> <em class="jxr_javadoccomment">     *   Car car = one(Car.class, with("brand", from("Ferrari", "BMW", "Porche")));</em>
<a name="196" href="#196">196</a> <em class="jxr_javadoccomment">     *  }</em>
<a name="197" href="#197">197</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a name="198" href="#198">198</a> <em class="jxr_javadoccomment">     * </em>
<a name="199" href="#199">199</a> <em class="jxr_javadoccomment">     * @param values array of elements to use as dataset.</em>
<a name="200" href="#200">200</a> <em class="jxr_javadoccomment">     * @param S element datatype</em>
<a name="201" href="#201">201</a> <em class="jxr_javadoccomment">     * @return a new {@link DataProvider} </em>
<a name="202" href="#202">202</a> <em class="jxr_javadoccomment">     */</em>
<a name="203" href="#203">203</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt; S &gt; <a href="../../com/pojocreator/provider/DataProvider.html">DataProvider</a> &lt; S &gt; from(S ... values) {
<a name="204" href="#204">204</a>         <strong class="jxr_keyword">return</strong> Provider.randomFrom(values);
<a name="205" href="#205">205</a>     }
<a name="206" href="#206">206</a>     
<a name="207" href="#207">207</a>     <em class="jxr_javadoccomment">/**</em>
<a name="208" href="#208">208</a> <em class="jxr_javadoccomment">     * Create an instance of the generic type T</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment">     * </em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">     * @param clazz Class type</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * @return an instance of the generic type T</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * @throws CreatorException in case of error during the POJO creation</em>
<a name="213" href="#213">213</a> <em class="jxr_javadoccomment">     */</em>
<a name="214" href="#214">214</a>     <strong class="jxr_keyword">private</strong> T instanceOf(Class &lt; T &gt; clazz) {
<a name="215" href="#215">215</a>         <strong class="jxr_keyword">if</strong> (clazz == <strong class="jxr_keyword">null</strong>) {
<a name="216" href="#216">216</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Class definition cannot be null. Impossible to create null pojo"</span>);
<a name="217" href="#217">217</a>         }
<a name="218" href="#218">218</a>         <strong class="jxr_keyword">try</strong> {
<a name="219" href="#219">219</a>             <strong class="jxr_keyword">return</strong> clazz.newInstance();
<a name="220" href="#220">220</a>         } <strong class="jxr_keyword">catch</strong> (InstantiationException e) {
<a name="221" href="#221">221</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Impossible to instantiate class "</span> + clazz.getName() + <span class="jxr_string">"."</span>, e);
<a name="222" href="#222">222</a>         } <strong class="jxr_keyword">catch</strong> (IllegalAccessException e) {
<a name="223" href="#223">223</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Impossible to instantiate class "</span> + clazz.getName() + <span class="jxr_string">". Cannot access the public default constructor"</span>, e);
<a name="224" href="#224">224</a>         }
<a name="225" href="#225">225</a>     }
<a name="226" href="#226">226</a> 
<a name="227" href="#227">227</a>     <em class="jxr_javadoccomment">/**</em>
<a name="228" href="#228">228</a> <em class="jxr_javadoccomment">     * Set the object values for a given list of attributes</em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * </em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">     * @param object instance of T</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">     * @param attributes attribute's property</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">     * @throws CreatorException in case of error during the the property setting</em>
<a name="233" href="#233">233</a> <em class="jxr_javadoccomment">     */</em>
<a name="234" href="#234">234</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> &lt; T, S &gt; <strong class="jxr_keyword">void</strong> setFields(T object, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;... attributes) {
<a name="235" href="#235">235</a>         <strong class="jxr_keyword">if</strong> (attributes == <strong class="jxr_keyword">null</strong> ) {
<a name="236" href="#236">236</a>             <strong class="jxr_keyword">return</strong>;
<a name="237" href="#237">237</a>         }
<a name="238" href="#238">238</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; attributes.length; i++) {
<a name="239" href="#239">239</a>             setField(object, attributes[i]);
<a name="240" href="#240">240</a>         }
<a name="241" href="#241">241</a> 
<a name="242" href="#242">242</a>     }
<a name="243" href="#243">243</a> 
<a name="244" href="#244">244</a>     <em class="jxr_javadoccomment">/**</em>
<a name="245" href="#245">245</a> <em class="jxr_javadoccomment">     * Set the object's value for a given attribute</em>
<a name="246" href="#246">246</a> <em class="jxr_javadoccomment">     * </em>
<a name="247" href="#247">247</a> <em class="jxr_javadoccomment">     * @param object instance of T</em>
<a name="248" href="#248">248</a> <em class="jxr_javadoccomment">     * @param attribute attribute to set</em>
<a name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * @throws CreatorException in case of error during the property setting</em>
<a name="250" href="#250">250</a> <em class="jxr_javadoccomment">     */</em>
<a name="251" href="#251">251</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> &lt; T, S &gt; <strong class="jxr_keyword">void</strong> setField(T object, <a href="../../com/pojocreator/Property.html">Property</a> &lt; S &gt; attribute) {
<a name="252" href="#252">252</a>         <strong class="jxr_keyword">if</strong> (attribute == <strong class="jxr_keyword">null</strong>) {
<a name="253" href="#253">253</a>             <strong class="jxr_keyword">return</strong>;
<a name="254" href="#254">254</a>         }
<a name="255" href="#255">255</a>         String propertyName = attribute.getProperty();
<a name="256" href="#256">256</a>         <strong class="jxr_keyword">if</strong> (StringUtils.isBlank(propertyName)) {
<a name="257" href="#257">257</a>             <strong class="jxr_keyword">return</strong>;
<a name="258" href="#258">258</a>         }
<a name="259" href="#259">259</a>         S propertyValue = attribute.getValue();
<a name="260" href="#260">260</a>         Object objectValue = propertyValue;
<a name="261" href="#261">261</a>         <strong class="jxr_keyword">if</strong> (propertyValue instanceof DataProvider &lt; ? &gt;) {
<a name="262" href="#262">262</a>             objectValue = ((DataProvider&lt;?&gt;)propertyValue).data();
<a name="263" href="#263">263</a>         }
<a name="264" href="#264">264</a>         <strong class="jxr_keyword">try</strong> {
<a name="265" href="#265">265</a>             Field field = object.getClass().getDeclaredField(propertyName);
<a name="266" href="#266">266</a>             field.setAccessible(<strong class="jxr_keyword">true</strong>);
<a name="267" href="#267">267</a>             <strong class="jxr_keyword">if</strong> (byte.<strong class="jxr_keyword">class</strong>.equals(field.getType())) {
<a name="268" href="#268">268</a>                 field.setByte(object, ((Integer) objectValue).byteValue());
<a name="269" href="#269">269</a>             } <strong class="jxr_keyword">else</strong> {
<a name="270" href="#270">270</a>                 field.set(object, objectValue);
<a name="271" href="#271">271</a>             }
<a name="272" href="#272">272</a>         } <strong class="jxr_keyword">catch</strong> (SecurityException e) {
<a name="273" href="#273">273</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Impossible to set field "</span> + propertyName + <span class="jxr_string">" due to security problem"</span>, e);
<a name="274" href="#274">274</a>         } <strong class="jxr_keyword">catch</strong> (NoSuchFieldException e) {
<a name="275" href="#275">275</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Missing field "</span> + propertyName + <span class="jxr_string">" in the object "</span> + object.getClass(), e);
<a name="276" href="#276">276</a>         } <strong class="jxr_keyword">catch</strong> (IllegalArgumentException e) {
<a name="277" href="#277">277</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Attribute value cannot be set for field "</span> + propertyName, e);
<a name="278" href="#278">278</a>         } <strong class="jxr_keyword">catch</strong> (IllegalAccessException e) {
<a name="279" href="#279">279</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../com/pojocreator/CreatorException.html">CreatorException</a>(<span class="jxr_string">"Cannot access object to set field "</span> + propertyName, e);
<a name="280" href="#280">280</a>         }
<a name="281" href="#281">281</a>     }
<a name="282" href="#282">282</a>     
<a name="283" href="#283">283</a>     <em class="jxr_javadoccomment">/**</em>
<a name="284" href="#284">284</a> <em class="jxr_javadoccomment">     * Calculate the number of permutation for a given set of attributes.</em>
<a name="285" href="#285">285</a> <em class="jxr_javadoccomment">     * </em>
<a name="286" href="#286">286</a> <em class="jxr_javadoccomment">     * @param attributes Attributes to set.</em>
<a name="287" href="#287">287</a> <em class="jxr_javadoccomment">     * @return the number of possible permutation for the given attributes.</em>
<a name="288" href="#288">288</a> <em class="jxr_javadoccomment">     */</em>
<a name="289" href="#289">289</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">int</strong> calculateNumberOfPermutation(<strong class="jxr_keyword">final</strong> <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt; ... attributes) {
<a name="290" href="#290">290</a>         <strong class="jxr_keyword">int</strong> numberOfPojos = 1;
<a name="291" href="#291">291</a>         <strong class="jxr_keyword">for</strong> (Property &lt; ? &gt;  p : attributes) {
<a name="292" href="#292">292</a>             Object value = p.getValue();
<a name="293" href="#293">293</a>             <strong class="jxr_keyword">if</strong> ( value instanceof DataProvider &lt; ? &gt;) {
<a name="294" href="#294">294</a>                 <a href="../../com/pojocreator/provider/DataProvider.html">DataProvider</a> &lt; ? &gt; t = (DataProvider &lt; ? &gt;) value;
<a name="295" href="#295">295</a>                 numberOfPojos *= t.size();
<a name="296" href="#296">296</a>             } <strong class="jxr_keyword">else</strong> {
<a name="297" href="#297">297</a>                 numberOfPojos *= 1;
<a name="298" href="#298">298</a>             }
<a name="299" href="#299">299</a>         }
<a name="300" href="#300">300</a>         <strong class="jxr_keyword">return</strong> numberOfPojos;
<a name="301" href="#301">301</a>     }
<a name="302" href="#302">302</a>     
<a name="303" href="#303">303</a>     <em class="jxr_javadoccomment">/**</em>
<a name="304" href="#304">304</a> <em class="jxr_javadoccomment">     * This inner class is to allow the user to create many POJO representations with a using</em>
<a name="305" href="#305">305</a> <em class="jxr_javadoccomment">     * a convenient foreach syntax.</em>
<a name="306" href="#306">306</a> <em class="jxr_javadoccomment">     * &lt;p&gt;</em>
<a name="307" href="#307">307</a> <em class="jxr_javadoccomment">     * For example:</em>
<a name="308" href="#308">308</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;{@code</em>
<a name="309" href="#309">309</a> <em class="jxr_javadoccomment">     * for (Car car : many(Car.class, 3, with("brand", "Ferrari"))) {</em>
<a name="310" href="#310">310</a> <em class="jxr_javadoccomment">     * }</em>
<a name="311" href="#311">311</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a name="312" href="#312">312</a> <em class="jxr_javadoccomment">     * </em>
<a name="313" href="#313">313</a> <em class="jxr_javadoccomment">     * @param &lt;T&gt; Generic datatype for the object</em>
<a name="314" href="#314">314</a> <em class="jxr_javadoccomment">     */</em>
<a name="315" href="#315">315</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../com/pojocreator/Creator.html">IterableCreator</a> &lt; T &gt; implements Iterable &lt; T &gt;, Iterator &lt; T &gt; {
<a name="316" href="#316">316</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> numberOfElements;
<a name="317" href="#317">317</a>         <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> created;
<a name="318" href="#318">318</a>         <strong class="jxr_keyword">private</strong> <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;[] attributes;
<a name="319" href="#319">319</a>         <strong class="jxr_keyword">private</strong> Class &lt; T &gt; clazz;
<a name="320" href="#320">320</a>         
<a name="321" href="#321">321</a>         <a href="../../com/pojocreator/Creator.html">IterableCreator</a>(Class &lt; T &gt; clazz, <strong class="jxr_keyword">int</strong> numberOfElements, <a href="../../com/pojocreator/Property.html">Property</a> &lt; ? &gt;... attributes) {
<a name="322" href="#322">322</a>             <strong class="jxr_keyword">this</strong>.numberOfElements = numberOfElements;
<a name="323" href="#323">323</a>             <strong class="jxr_keyword">this</strong>.attributes = attributes;
<a name="324" href="#324">324</a>             <strong class="jxr_keyword">this</strong>.clazz = clazz;
<a name="325" href="#325">325</a>         }
<a name="326" href="#326">326</a> 
<a name="327" href="#327">327</a>         @Override
<a name="328" href="#328">328</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> hasNext() {
<a name="329" href="#329">329</a>             <strong class="jxr_keyword">if</strong> (created &lt; numberOfElements) {
<a name="330" href="#330">330</a>                 <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="331" href="#331">331</a>             }
<a name="332" href="#332">332</a>             <strong class="jxr_keyword">return</strong> false;
<a name="333" href="#333">333</a>         }
<a name="334" href="#334">334</a> 
<a name="335" href="#335">335</a>         @Override
<a name="336" href="#336">336</a>         <strong class="jxr_keyword">public</strong> T next() {
<a name="337" href="#337">337</a>             <strong class="jxr_keyword">if</strong> (created == numberOfElements) {
<a name="338" href="#338">338</a>                 <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NoSuchElementException(<span class="jxr_string">"The  max number of elements has been reached"</span>); 
<a name="339" href="#339">339</a>             }
<a name="340" href="#340">340</a>             T pojo = one(clazz, attributes);
<a name="341" href="#341">341</a>             created++;
<a name="342" href="#342">342</a>             <strong class="jxr_keyword">return</strong> pojo;
<a name="343" href="#343">343</a>         }
<a name="344" href="#344">344</a> 
<a name="345" href="#345">345</a>         @Override
<a name="346" href="#346">346</a>         <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> remove() {
<a name="347" href="#347">347</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(<span class="jxr_string">"Remove is not supported"</span>); 
<a name="348" href="#348">348</a>         }
<a name="349" href="#349">349</a> 
<a name="350" href="#350">350</a>         @Override
<a name="351" href="#351">351</a>         <strong class="jxr_keyword">public</strong> Iterator &lt; T &gt; iterator() {
<a name="352" href="#352">352</a>             <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a name="353" href="#353">353</a>         }
<a name="354" href="#354">354</a>     }
<a name="355" href="#355">355</a> 
<a name="356" href="#356">356</a> }
</pre>
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